Languages
8 skills- JavaScript
- TypeScript
- Java
- PHP
- Python
- C#
- Solidity
- SQL
Open to internships & full-time roles
Hello, I'm Dinith. Dinith Tharindu Hettiarachchi - Software Engineer in Colombo, Sri Lanka.
Building modern software and scalable products - from full-stack platforms to decentralized systems.
Now
Trainee SWE @ CodeXpress
Base L2
Web3 Builder
About
Engineer by craft, builder by instinct.
Building reliable, elegant software - from web engineering to security.
Software Engineering undergraduate at Saegis Campus, focused on full-stack development and backend architecture.
Currently a Trainee Software Engineer at CodeXpress, working on a production Laravel platform used in real classrooms.
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Years learning
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Projects shipped
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Technologies
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Certifications
Professional values
Craft
Ship code you'd be proud to review in a year.
Curiosity
Chase how systems actually work, not just how to use them.
Ownership
Own the outcome, not just the ticket.
Clarity
Prefer readable code and honest tradeoffs.
Based in
Colombo, Sri Lanka
Skills
A toolkit for building end-to-end.
From type-safe React frontends to Laravel backends, Base L2 smart contracts and cloud infrastructure - organised so you can find what matters.
Frontend
5 skills- React
- Next.js
- Tailwind CSS
- Bootstrap
- HTML5 / CSS3
Backend
4 skills- Node.js / Express
- Laravel
- Spring Boot
- REST APIs
Database
5 skills- MySQL
- PostgreSQL
- MongoDB
- Supabase
- Firebase
Cloud & DevOps
5 skills- Git / GitHub
- Docker
- Linux
- AWS
- Azure
Security
5 skills- OWASP Top 10
- Networking
- Linux Hardening
- Cloud Security
- Pen Testing (Basics)
Web3
4 skills- Solidity
- Base L2
- Smart Contracts
- FHE Protocols
Tools
5 skills- VS Code
- Figma
- Postman
- Power BI
- Android Studio
Featured Projects
Selected work - shipped, not sketched.
Three projects that show how I approach product, systems and cryptography. Every one has a live codebase you can read.
Base L2 · DeFi · MEV-protected execution
Cross-DEX Arbitrage System
Real-time DeFi arbitrage bot and dashboard that scans multiple DEXs on Base L2, detects price inefficiencies, and executes trades using flash loans.
SolidityBase L2Node.jsTypeScriptFlash Loans
Privacy-preserving negotiation on Base
Concord - FHE Blind Negotiation
A blind negotiation protocol using Fully Homomorphic Encryption for fair price discovery and automated escrow settlement without revealing either party's input.
SolidityFHENext.jsTypeScriptBase L2
Full-stack education platform
EduSystem - Institute Management
Laravel platform with admin, teacher and student portals supporting onboarding, MCQ exams, assignments, grading and automated notifications.
LaravelPHPMySQLBladeBootstrap
Experience
Where I've been shipping.
Real work, real users - from production Laravel systems to competitive Web3 buildathons.
Apr 2026 - Present
Trainee Software Engineer
CodeXpress (PVT) LTD · Kottawa, Sri Lanka
- Developing a full-stack Student & Teacher Management System in Laravel 12, PHP 8.2 and MySQL, used to run day-to-day operations at the institute.
- Shipped authentication, role management, attendance tracking and reporting features end-to-end.
- Designed responsive interfaces with Bootstrap 5, custom CSS and JavaScript, improving daily user flows.
- Integrated Laravel Excel for data export and automated report generation.
- Collaborated using Git/GitHub with branch-based workflows and code review.
Laravel 12PHP 8.2MySQLBladeBootstrap 5JavaScript2025 - Present
Web3 Builder - Buildathon Participant
Akindo · Remote
- Building decentralized applications for competitive Web3 buildathons on Base L2.
- Shipping smart contract integrations and evaluating protocol-level design tradeoffs.
- Engaging with the global builder ecosystem through weekly product releases.
SolidityBase L2Next.jsWeb3
Education
Formal training, self-directed practice.
Dec 2023 - Present
B.Sc. (Hons) in Software Engineering
Saegis Campus · Nugegoda, Sri Lanka
- Software architecture, data structures, and distributed systems
- Database design and full-stack web engineering
- Agile development and SDLC practice through team projects
Certificates
Learning, documented.
A growing gallery of certifications and program credentials - from Google Cloud fundamentals to competitive hackathons.
2020
Google Digital Garage
Verified credential
2020
Industrial IoT on Google Cloud Platform
Google Cloud
Verified credential
2024
CodePulse - Hackathon
Saegis Campus
Verified credential
2025
CodeFest - DevQuest
SLIIT
Verified credential
2018
INFOV Tech Exhibition - Presenter
INFOV
Verified credential
Achievements
Competitions, contributions, community.
CodePulse 2024 Hackathon
Competed at Saegis Campus' flagship hackathon, shipping a full product in under 48 hours.
CodeFest 2025 - DevQuest at SLIIT
Represented team in inter-university coding competition against top SL engineering schools.
Akindo Web3 Buildathon
Active builder shipping decentralized applications on Base L2 in weekly buildathons.
Open Source & GitHub
Public codebases spanning DeFi, FHE cryptography and full-stack education platforms.
Contact
Let's build something worth shipping.
Roles, freelance, or collaborations - I read every message and reply soon.
contact@dinith.me
Gmail
official.dinith@gmail.com
Location
Colombo, Sri Lanka
Availability
Open to internships & full-time roles